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<document id="01ED347DEBE3DD4A0CFE96C25792A962" ID-CLB-Dataset="25959" ID-DOI="10.11646/zootaxa.4658.1.4" ID-GBIF-Dataset="7138d838-3b94-44f6-92ca-fb6c3b42832e" ID-ISSN="1175-5326" ID-Zenodo-Dep="3373129" ID-ZooBank="11726879-264F-4643-B6A0-B240C1D8CE10" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1566365215565" checkinUser="plazi" docAuthor="Shen, Huei-Ping, Chang, Chih-Han &amp; Chih, Wen-Jay" docDate="2019" docId="039087F7FFB7FFE6FF14F94FFAA4F808" docLanguage="en" docName="zootaxa.4658.1.4.pdf" docOrigin="Zootaxa 4658 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Amynthas ruiyenensis Shen &amp; Chang &amp; Chih 2019, sp. nov." docType="treatment" docVersion="12" lastPageNumber="111" masterDocId="FFA9FF8FFFBEFFECFF83FFE0FF84FFD7" masterDocTitle="Two new earthworm species of the genus Amynthas (Oligochaeta: Megascolecidae) from central Taiwan, with comments on some recent species assignments in Amynthas and Metaphire" masterLastPageNumber="123" masterPageNumber="101" pageNumber="110" updateTime="1698751945313" updateUser="ExternalLinkService">
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<mods:title id="50991B6A84609BD84D83ED91C9CA7FDE">Two new earthworm species of the genus Amynthas (Oligochaeta: Megascolecidae) from central Taiwan, with comments on some recent species assignments in Amynthas and Metaphire</mods:title>
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<mods:namePart id="ACEA9A2A3454F0FFA5B9E52BDE38A2D5">Shen, Huei-Ping</mods:namePart>
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<mods:namePart id="1B8550FD80FEF19D48DE58A1AABCCF56">Chang, Chih-Han</mods:namePart>
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<mods:namePart id="D1854A5B8F3C9D8F939066482627819F">Chih, Wen-Jay</mods:namePart>
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<mods:title id="951D506081F986BE4386026E78BA3B0A">Zootaxa</mods:title>
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<mods:date id="C7C14E6168E78712F1ACEB6F7ACDC1AA">2019</mods:date>
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<treatment id="039087F7FFB7FFE6FF14F94FFAA4F808" ID-DOI="http://doi.org/10.5281/zenodo.5584427" ID-GBIF-Taxon="159217276" ID-Zenodo-Dep="5584427" LSID="urn:lsid:plazi:treatment:039087F7FFB7FFE6FF14F94FFAA4F808" httpUri="http://treatment.plazi.org/id/039087F7FFB7FFE6FF14F94FFAA4F808" lastPageId="10" lastPageNumber="111" pageId="9" pageNumber="110">
<subSubSection id="C323656AFFB7FFE5FF14F94FFDD1F91E" box="[151,597,1711,1738]" pageId="9" pageNumber="110" type="nomenclature">
<paragraph id="8B8636E1FFB7FFE5FF14F94FFDD1F91E" blockId="9.[151,597,1711,1773]" box="[151,597,1711,1738]" pageId="9" pageNumber="110">
<heading id="D0CE818DFFB7FFE5FF14F94FFDD1F91E" bold="true" box="[151,597,1711,1738]" fontSize="11" level="1" pageId="9" pageNumber="110" reason="1">
<emphasis id="B94DEAF3FFB7FFE5FF14F94FFDD1F91E" bold="true" box="[151,597,1711,1738]" pageId="9" pageNumber="110">
<taxonomicName id="4C394D62FFB7FFE5FF14F94FFE6FF91E" authority="Shen" authorityName="Shen &amp; Chang &amp; Chih" authorityYear="2019" box="[151,491,1711,1738]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="9" pageNumber="110" phylum="Annelida" rank="species" species="ruiyenensis" status="sp. nov.">
<emphasis id="B94DEAF3FFB7FFE5FF14F94FFE20F91E" bold="true" box="[151,420,1711,1738]" italics="true" pageId="9" pageNumber="110">Amynthas ruiyenensis</emphasis>
Shen
</taxonomicName>
,
<taxonomicNameLabel id="A27E5788FFB7FFE5FE74F94FFDD1F91E" box="[503,597,1711,1737]" pageId="9" pageNumber="110" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C323656AFFB7FFE5FF14F933FE8CF93A" box="[151,264,1747,1773]" pageId="9" pageNumber="110" type="description">
<paragraph id="8B8636E1FFB7FFE5FF14F933FE8CF93A" blockId="9.[151,597,1711,1773]" box="[151,264,1747,1773]" pageId="9" pageNumber="110">
(
<figureCitation id="13022A64FFB7FFE5FF1CF933FF7BF93A" box="[159,255,1747,1773]" captionStart="FIGURE 3" captionStartId="9.[151,250,1496,1521]" captionTargetBox="[164,1419,434,1359]" captionTargetId="figure@9.[151,1435,415,1375]" captionTargetPageId="9" captionText="FIGURE 3. Amynthas ruiyenensis sp. nov. Holotype (TESRI-O-H-55). A. Ventral view of spermathecal pore region (sp, spermathecal pore). B. Ventral view of male pore region (mp, male porophore; gp, genital papilla). C. Dorsal view of right spermathecae (amp, ampulla; dv, diverticulum). D. Dorsal view of left prostate gland (pd, prostatic duct; ag, accessory gland). Scale bars = 1 mm." httpUri="https://zenodo.org/record/3373135/files/figure.png" pageId="9" pageNumber="110">Figure 3</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C323656AFFB7FFE6FF14F8FBFAA4F808" lastPageId="10" lastPageNumber="111" pageId="9" pageNumber="110" type="materials_examined">
<paragraph id="8B8636E1FFB7FFE5FF14F8FBFD57F8A9" blockId="9.[151,1436,1819,2026]" pageId="9" pageNumber="110">
<materialsCitation id="3B513CBCFFB7FFE5FF14F8FBFD57F8A9" ID-GBIF-Occurrence="2350486441" collectingDate="2009-07-02" collectorName="T. - J. Lin &amp; J. - H. Wu" elevation="2195" latitude="24.10397" location="Ruiyen Creek Nature Reserve" longLatPrecision="1" longitude="121.17611" municipality="Clitellate" pageId="9" pageNumber="110" specimenCount="1" stateProvince="Nantou" typeStatus="holotype">
<emphasis id="B94DEAF3FFB7FFE5FF14F8FBFE89F8E2" bold="true" box="[151,269,1819,1845]" pageId="9" pageNumber="110">
<typeStatus id="54828843FFB7FFE5FF14F8FBFE8CF8E2" box="[151,264,1819,1845]" pageId="9" pageNumber="110" type="holotype">Holotype</typeStatus>
:
</emphasis>
<collectingMunicipality id="6BE2AC9BFFB7FFE5FE94F8FBFEFAF8E2" box="[279,382,1819,1845]" pageId="9" pageNumber="110">Clitellate</collectingMunicipality>
(mature) specimen (
<quantity id="4CC19B04FFB7FFE5FDEDF8FBFD45F8E1" box="[622,705,1819,1846]" metricMagnitude="-2" metricUnit="m" metricValue="9.7" pageId="9" pageNumber="110" unit="mm" value="97.0">97 mm</quantity>
in total length, amputated, dissected), from roadside ditches in
<location id="8EE6603AFFB7FFE5FF14F8DFFE6DF88D" LSID="urn:lsid:plazi:treatment:039087F7FFB7FFE6FF14F94FFAA4F808:8EE6603AFFB7FFE5FF14F8DFFE6DF88D" box="[151,489,1855,1882]" latitude="24.10397" longLatPrecision="1" longitude="121.17611" municipality="Clitellate" name="Ruiyen Creek Nature Reserve" pageId="9" pageNumber="110" stateProvince="Nantou">Ruiyen Creek Nature Reserve</location>
,
<collectingRegion id="49FDF803FFB7FFE5FE76F8A0FD27F88E" box="[501,675,1855,1882]" country="Taiwan" name="Nantou" pageId="9" pageNumber="110">Nantou County</collectingRegion>
,
<geoCoordinate id="EE0D5026FFB7FFE5FD2CF8DFFCD3F88E" box="[687,855,1855,1881]" degrees="24" direction="north" minutes="06" orientation="latitude" pageId="9" pageNumber="110" precision="1" seconds="14.29" value="24.10397">24°06'14.29''N</geoCoordinate>
,
<geoCoordinate id="EE0D5026FFB7FFE5FCE1F8DFFB91F88E" box="[866,1045,1855,1881]" degrees="121" direction="east" minutes="10" orientation="longitude" pageId="9" pageNumber="110" precision="1" seconds="34.01" value="121.17611">121°10'34.01''E</geoCoordinate>
,
<elevation id="0014D1D2FFB7FFE5FBA2F8DEFB1BF88E" box="[1057,1183,1854,1882]" metricMagnitude="3" metricUnit="m" metricValue="2.195" pageId="9" pageNumber="110" unit="m" value="2195.0">
<quantity id="4CC19B04FFB7FFE5FBA2F8DEFBF2F88D" box="[1057,1142,1854,1882]" metricMagnitude="3" metricUnit="m" metricValue="2.195" pageId="9" pageNumber="110" unit="m" value="2195.0">2195 m</quantity>
asl
</elevation>
,
<date id="FF871021FFB7FFE5FB29F8DFFAB4F88E" box="[1194,1328,1855,1881]" pageId="9" pageNumber="110" value="2009-07-02">
<collectingDate id="EFC3E9C9FFB7FFE5FB29F8DFFAB4F88E" box="[1194,1328,1855,1881]" pageId="9" pageNumber="110" value="2009-07-02">2 July 2009</collectingDate>
</date>
,
<collectorName id="26CC5337FFB7FFE5FAB8F8A0FA18F88E" box="[1339,1436,1855,1882]" pageId="9" pageNumber="110">T.-J. Lin</collectorName>
&amp;
<collectorName id="26CC5337FFB7FFE5FF37F884FE9DF8A9" box="[180,281,1892,1918]" pageId="9" pageNumber="110">J.-H. Wu</collectorName>
(TESRI-O-H-55; RY023, PCR failed).
</materialsCitation>
</paragraph>
<paragraph id="8B8636E1FFB7FFE6FF44F866FF3BFEC8" blockId="9.[151,1436,1819,2026]" lastBlockId="10.[151,1437,153,2015]" lastPageId="10" lastPageNumber="111" pageId="9" pageNumber="110">
<emphasis id="B94DEAF3FFB7FFE5FF44F866FEC6F876" bold="true" box="[199,322,1926,1953]" pageId="9" pageNumber="110">Diagnosis.</emphasis>
Length
<quantity id="4CC19B04FFB7FFE5FE21F867FE77F875" box="[418,499,1927,1954]" metricMagnitude="-2" metricUnit="m" metricValue="9.7" pageId="9" pageNumber="110" unit="mm" value="97.0">97 mm</quantity>
(
<typeStatus id="54828843FFB7FFE5FD80F867FDE8F875" box="[515,620,1927,1954]" pageId="9" pageNumber="110" type="holotype">holotype</typeStatus>
). Segments numbering 111. Setae
<quantity id="4CC19B04FFB7FFE5FC77F866FBABF876" box="[1012,1071,1926,1953]" metricMagnitude="0" metricUnit="m" metricValue="1.6509999999999998" pageId="9" pageNumber="110" unit="in" value="65.0">65 in</quantity>
VII,
<quantity id="4CC19B04FFB7FFE5FBEDF866FB2CF876" box="[1134,1192,1926,1953]" metricMagnitude="0" metricUnit="m" metricValue="1.4986" pageId="9" pageNumber="110" unit="in" value="59.0">59 in</quantity>
XX, and 10 between male pores. First dorsal pore in 12/13. Clitellum XIVXVI. Spermathecal pores four pairs in 5/68/9, 0.240.25 body circumference ventrally apart. Male pores 0.25 body circumference ventrally apart in XVIII, each on a round porophore about
<quantity id="4CC19B04FFB4FFE6FED4FF79FE38FF64" box="[343,444,153,179]" metricMagnitude="-4" metricUnit="m" metricValue="6.7" pageId="10" pageNumber="111" unit="mm" value="0.67">0.67 mm</quantity>
in diameter. Genital papillae large, one pair in presetal XIX. Spermathecae four pairs in VIIX. Seminal vesicles small to large, two pairs in XI and XII. Prostate glands lobed, paired in
<collectionCode id="ED28AE24FFB4FFE6FB3FFF5DFAB5FF00" box="[1212,1329,189,215]" pageId="10" pageNumber="111">XVIIXX</collectionCode>
. Prostatic ducts S-shaped in XVIII. Accessory glands large, sessile, paired in XIX, corresponding to external genital papillae.
</paragraph>
<paragraph id="8B8636E1FFB4FFE6FF44FEC8FD1EFD50" blockId="10.[151,1437,153,2015]" pageId="10" pageNumber="111">
<emphasis id="B94DEAF3FFB4FFE6FF44FEC8FEDDFE94" bold="true" box="[199,345,296,323]" pageId="10" pageNumber="111">Description.</emphasis>
External: Length (clitellate)
<quantity id="4CC19B04FFB4FFE6FD18FEC9FD6FFE94" box="[667,747,297,323]" metricMagnitude="-2" metricUnit="m" metricValue="9.7" pageId="10" pageNumber="111" unit="mm" value="97.0">97 mm</quantity>
, weight
<quantity id="4CC19B04FFB4FFE6FCCBFEC8FC09FE94" box="[840,909,296,323]" metricMagnitude="-4" metricUnit="kg" metricValue="5.2" pageId="10" pageNumber="111" unit="g" value="0.52">0.52 g</quantity>
in 95% ethanol. Segments numbering 111. Clitellum XIVXVI, setae and dorsal pores absent,
<quantity id="4CC19B04FFB4FFE6FD38FEADFCA4FEB0" box="[699,800,333,359]" metricMagnitude="-3" metricUnit="m" metricValue="4.63" pageId="10" pageNumber="111" unit="mm" value="4.63">4.63 mm</quantity>
in length and
<quantity id="4CC19B04FFB4FFE6FC42FEACFBA2FEB0" box="[961,1062,332,359]" metricMagnitude="-3" metricUnit="m" metricValue="3.59" pageId="10" pageNumber="111" unit="mm" value="3.59">3.59 mm</quantity>
in width. Prostomium epilobous. Two annuli (secondary segments) per segment in
<collectionCode id="ED28AE24FFB4FFE6FD4FFE91FCACFE5C" box="[716,808,369,395]" pageId="10" pageNumber="111">VIIIIX</collectionCode>
and three annuli per segment in XXIII. Setae minute, vague, number
<quantity id="4CC19B04FFB4FFE6FEC5FE74FEFBFE78" box="[326,383,404,431]" metricMagnitude="0" metricUnit="m" metricValue="1.6509999999999998" pageId="10" pageNumber="111" unit="in" value="65.0">65 in</quantity>
VII,
<quantity id="4CC19B04FFB4FFE6FE3FFE74FE71FE78" box="[444,501,404,431]" metricMagnitude="0" metricUnit="m" metricValue="1.4986" pageId="10" pageNumber="111" unit="in" value="59.0">59 in</quantity>
XX and 10 between male pores in XVIII. First dorsal pore in 12/13. Spermathecal pores four pairs in intersegmental furrows of 5/68/9, distance between paired pores 0.240.25 body circumference ventrally apart, (
<figureCitation id="13022A64FFB4FFE6FED3FE3DFE2DFE20" box="[336,425,477,503]" captionStart="FIGURE 3" captionStartId="9.[151,250,1496,1521]" captionTargetBox="[164,1419,434,1359]" captionTargetId="figure@9.[151,1435,415,1375]" captionTargetPageId="9" captionText="FIGURE 3. Amynthas ruiyenensis sp. nov. Holotype (TESRI-O-H-55). A. Ventral view of spermathecal pore region (sp, spermathecal pore). B. Ventral view of male pore region (mp, male porophore; gp, genital papilla). C. Dorsal view of right spermathecae (amp, ampulla; dv, diverticulum). D. Dorsal view of left prostate gland (pd, prostatic duct; ag, accessory gland). Scale bars = 1 mm." httpUri="https://zenodo.org/record/3373135/files/figure.png" pageId="10" pageNumber="111">Fig. 3A</figureCitation>
). Genital papillae absent in the preclitellar region. Female pore single, mid-ventral in XIV. Male pores inconspicuous, paired in XVIII, 0.25 body circumference ventrally apart, each situated on a round porophore about
<quantity id="4CC19B04FFB4FFE6FEA0FDC5FE03FDE8" box="[291,391,549,575]" metricMagnitude="-4" metricUnit="m" metricValue="6.7" pageId="10" pageNumber="111" unit="mm" value="0.67">0.67 mm</quantity>
in diameter, surrounded by a circular skin fold (
<figureCitation id="13022A64FFB4FFE6FC20FDC5FC7EFDE8" box="[931,1018,549,575]" captionStart="FIGURE 3" captionStartId="9.[151,250,1496,1521]" captionTargetBox="[164,1419,434,1359]" captionTargetId="figure@9.[151,1435,415,1375]" captionTargetPageId="9" captionText="FIGURE 3. Amynthas ruiyenensis sp. nov. Holotype (TESRI-O-H-55). A. Ventral view of spermathecal pore region (sp, spermathecal pore). B. Ventral view of male pore region (mp, male porophore; gp, genital papilla). C. Dorsal view of right spermathecae (amp, ampulla; dv, diverticulum). D. Dorsal view of left prostate gland (pd, prostatic duct; ag, accessory gland). Scale bars = 1 mm." httpUri="https://zenodo.org/record/3373135/files/figure.png" pageId="10" pageNumber="111">Fig. 3B</figureCitation>
). One pair of large genital papillae in presetal XIX (
<figureCitation id="13022A64FFB4FFE6FEB5FDA9FE09FDB4" box="[310,397,585,611]" captionStart="FIGURE 3" captionStartId="9.[151,250,1496,1521]" captionTargetBox="[164,1419,434,1359]" captionTargetId="figure@9.[151,1435,415,1375]" captionTargetPageId="9" captionText="FIGURE 3. Amynthas ruiyenensis sp. nov. Holotype (TESRI-O-H-55). A. Ventral view of spermathecal pore region (sp, spermathecal pore). B. Ventral view of male pore region (mp, male porophore; gp, genital papilla). C. Dorsal view of right spermathecae (amp, ampulla; dv, diverticulum). D. Dorsal view of left prostate gland (pd, prostatic duct; ag, accessory gland). Scale bars = 1 mm." httpUri="https://zenodo.org/record/3373135/files/figure.png" pageId="10" pageNumber="111">Fig. 3B</figureCitation>
), separated by 9 setae, each papilla about
<quantity id="4CC19B04FFB4FFE6FCE2FDA9FC40FDB4" box="[865,964,585,611]" metricMagnitude="-3" metricUnit="m" metricValue="1.06" pageId="10" pageNumber="111" unit="mm" value="1.06">1.06 mm</quantity>
in diameter. Live worms white. Preserved specimens white and pale brown on clitellum.
</paragraph>
<paragraph id="8B8636E1FFB4FFE6FF44FD71FEE2FBC4" blockId="10.[151,1437,153,2015]" pageId="10" pageNumber="111">
Internal: Septa 5/67/8 thick,
<date id="FF871021FFB4FFE6FD90FD71FDDFFD7C" box="[531,603,657,683]" pageId="10" pageNumber="111" value="2010-09-08">8/9/10</date>
absent,
<date id="FF871021FFB4FFE6FD34FD71FCC7FD7C" box="[695,835,657,683]" pageId="10" pageNumber="111" value="2014-10-11" valueMax="2014-10-13" valueMin="2014-10-11">10/1113/14</date>
thick. Nephridial tufts dense, bush-like mass on anterior faces of 5/6/7. Gizzard large, round in
<collectionCode id="ED28AE24FFB4FFE6FDFAFD55FD4BFD18" box="[633,719,693,719]" pageId="10" pageNumber="111">VIIIX</collectionCode>
. Intestine enlarged from XVI. Intestinal caeca paired in XXVII, simple, extending anteriorly to XXV or XXIII. Esophageal hearts paired in XIXIII. Spermathecae four pairs in VIIX (
<figureCitation id="13022A64FFB4FFE6FF72FD1DFECEFCC0" box="[241,330,765,791]" captionStart="FIGURE 3" captionStartId="9.[151,250,1496,1521]" captionTargetBox="[164,1419,434,1359]" captionTargetId="figure@9.[151,1435,415,1375]" captionTargetPageId="9" captionText="FIGURE 3. Amynthas ruiyenensis sp. nov. Holotype (TESRI-O-H-55). A. Ventral view of spermathecal pore region (sp, spermathecal pore). B. Ventral view of male pore region (mp, male porophore; gp, genital papilla). C. Dorsal view of right spermathecae (amp, ampulla; dv, diverticulum). D. Dorsal view of left prostate gland (pd, prostatic duct; ag, accessory gland). Scale bars = 1 mm." httpUri="https://zenodo.org/record/3373135/files/figure.png" pageId="10" pageNumber="111">Fig. 3C</figureCitation>
), ampulla elongated oval-shaped,
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long and
<quantity id="4CC19B04FFB4FFE6FC69FD1DFB05FCC0" box="[1002,1153,765,791]" metricMagnitude="-4" metricUnit="m" metricValue="7.8" metricValueMax="8.6" metricValueMin="7.0" pageId="10" pageNumber="111" unit="mm" value="0.78" valueMax="0.86" valueMin="0.7">0.70.86 mm</quantity>
wide, spermathecal duct stout,
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in length. Diverticulum vestigial or long, tubular,
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in total length, stalk slender, seminal chamber normal, iridescent to absent. Holandric. Testes large, oval, two pairs in ventrally joined sacs in X and XI. Seminal vesicles follicular, cotton-like, two pairs in XI and XII, variable in size: large one occupying an entire segmental compartment and small one about half of the segmental compartment. Prostate glands paired in
<collectionCode id="ED28AE24FFB4FFE6FF36FC51FEA3FC1C" box="[181,295,945,971]" pageId="10" pageNumber="111">XVIIXX</collectionCode>
(
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), wrinkled and lobed. Prostatic ducts enlarged in the middle, S-shaped in XVIII. Accessory glands large, sessile, paired in XIX,
<quantity id="4CC19B04FFB4FFE6FDB9FC34FD24FC38" box="[570,672,980,1007]" metricMagnitude="-4" metricUnit="m" metricValue="6.5" pageId="10" pageNumber="111" unit="mm" value="0.65">0.65 mm</quantity>
in width and
<quantity id="4CC19B04FFB4FFE6FCC2FC35FC23FC38" box="[833,935,981,1007]" metricMagnitude="-4" metricUnit="m" metricValue="8.6" pageId="10" pageNumber="111" unit="mm" value="0.86">0.86 mm</quantity>
in length, corresponding to external genital papillae (
<figureCitation id="13022A64FFB4FFE6FF7CFC19FEDDFBC4" box="[255,345,1017,1043]" captionStart="FIGURE 3" captionStartId="9.[151,250,1496,1521]" captionTargetBox="[164,1419,434,1359]" captionTargetId="figure@9.[151,1435,415,1375]" captionTargetPageId="9" captionText="FIGURE 3. Amynthas ruiyenensis sp. nov. Holotype (TESRI-O-H-55). A. Ventral view of spermathecal pore region (sp, spermathecal pore). B. Ventral view of male pore region (mp, male porophore; gp, genital papilla). C. Dorsal view of right spermathecae (amp, ampulla; dv, diverticulum). D. Dorsal view of left prostate gland (pd, prostatic duct; ag, accessory gland). Scale bars = 1 mm." httpUri="https://zenodo.org/record/3373135/files/figure.png" pageId="10" pageNumber="111">Fig. 3D</figureCitation>
).
</paragraph>
<paragraph id="8B8636E1FFB4FFE6FF44FBFDFDDBFB8C" blockId="10.[151,1437,153,2015]" pageId="10" pageNumber="111">
<emphasis id="B94DEAF3FFB4FFE6FF44FBFDFECAFBE0" bold="true" box="[199,334,1053,1079]" pageId="10" pageNumber="111">Etymology.</emphasis>
The name
<taxonomicName id="4C394D62FFB4FFE6FE4CFBFEFDCBFBE0" authorityName="Shen &amp; Chang &amp; Chih" authorityYear="2019" box="[463,591,1054,1079]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="ruiyenensis">
<emphasis id="B94DEAF3FFB4FFE6FE4CFBFEFDCBFBE0" box="[463,591,1054,1079]" italics="true" pageId="10" pageNumber="111">ruiyenensis</emphasis>
</taxonomicName>
is given to this species with reference to its
<typeStatus id="54828843FFB4FFE6FBCEFBFDFBF9FBE0" box="[1101,1149,1053,1079]" pageId="10" pageNumber="111">type</typeStatus>
locality in Ruiyen Creek Nature Reserve,
<collectingRegion id="49FDF803FFB4FFE6FED0FBA1FE2CFB8C" box="[339,424,1089,1115]" country="Taiwan" name="Nantou" pageId="10" pageNumber="111">Nantou</collectingRegion>
, central
<collectingCountry id="F32E7671FFB4FFE6FD85FBA1FDD8FB8C" box="[518,604,1089,1115]" name="Taiwan" pageId="10" pageNumber="111">Taiwan</collectingCountry>
.
</paragraph>
<paragraph id="8B8636E1FFB4FFE6FF44FB85FCDAF968" blockId="10.[151,1437,153,2015]" pageId="10" pageNumber="111">
<emphasis id="B94DEAF3FFB4FFE6FF44FB85FEBFFBA8" bold="true" box="[199,315,1125,1151]" pageId="10" pageNumber="111">Remarks.</emphasis>
<taxonomicName id="4C394D62FFB4FFE6FEC0FB85FDBEFBA8" authority="Shen &amp; Chang &amp; Chih, 2019" authorityName="Shen &amp; Chang &amp; Chih" authorityYear="2019" box="[323,570,1125,1151]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="ruiyenensis" status="sp. nov.">
<emphasis id="B94DEAF3FFB4FFE6FEC0FB85FDBEFBA8" box="[323,570,1125,1151]" italics="true" pageId="10" pageNumber="111">Amynthas ruiyenensis</emphasis>
</taxonomicName>
<emphasis id="B94DEAF3FFB4FFE6FDC1FB85FD19FBA8" bold="true" box="[578,669,1125,1151]" pageId="10" pageNumber="111">
<taxonomicNameLabel id="A27E5788FFB4FFE6FDC1FB85FD19FBA8" box="[578,669,1125,1151]" pageId="10" pageNumber="111" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
is akin to
<taxonomicName id="4C394D62FFB4FFE6FC94FB85FC3AFBA8" authorityName="Shen &amp; Chih" authorityYear="2016" box="[791,958,1125,1151]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="dinghuensis">
<emphasis id="B94DEAF3FFB4FFE6FC94FB85FC3AFBA8" box="[791,958,1125,1151]" italics="true" pageId="10" pageNumber="111">A. dinghuensis</emphasis>
</taxonomicName>
from southwestern
<collectingCountry id="F32E7671FFB4FFE6FB23FB85FB76FBA8" box="[1184,1266,1125,1151]" name="Taiwan" pageId="10" pageNumber="111">Taiwan</collectingCountry>
in having four pairs of spermathecae in VIIX and a pair of genital papillae in presetal XIX. However, the much smaller body size and genital papillae, lower segment and setal numbers, and stalked accessory glands of
<taxonomicName id="4C394D62FFB4FFE6FBF7FB4DFA9EFB10" authorityName="Shen &amp; Chih" authorityYear="2016" box="[1140,1306,1197,1223]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="dinghuensis">
<emphasis id="B94DEAF3FFB4FFE6FBF7FB4DFA9EFB10" box="[1140,1306,1197,1223]" italics="true" pageId="10" pageNumber="111">A. dinghuensis</emphasis>
</taxonomicName>
distinguish it from
<taxonomicName id="4C394D62FFB4FFE6FF6EFB31FE09FB3C" authorityName="Shen &amp; Chang &amp; Chih" authorityYear="2019" box="[237,397,1233,1259]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="ruiyenensis">
<emphasis id="B94DEAF3FFB4FFE6FF6EFB31FE09FB3C" box="[237,397,1233,1259]" italics="true" pageId="10" pageNumber="111">A. ruiyenensis</emphasis>
</taxonomicName>
.
<taxonomicName id="4C394D62FFB4FFE6FE18FB31FCF1FB3C" authority="(Gates, 1931)" authorityName="Gates" authorityYear="1931" baseAuthorityName="Gates" baseAuthorityYear="1931" box="[411,885,1233,1259]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="longicauliculatus">
<emphasis id="B94DEAF3FFB4FFE6FE18FB31FD50FB3C" box="[411,724,1233,1259]" italics="true" pageId="10" pageNumber="111">Amynthas longicauliculatus</emphasis>
(
<bibRefCitation id="EFA84B10FFB4FFE6FD67FB31FCE9FB3C" author="Gates, G. E." box="[740,877,1233,1259]" pageId="10" pageNumber="111" pagination="327 - 442" refId="ref13228" refString="Gates, G. E. (1931) The earthworms of Burma. II. Records of the Indian Museum, 33, 327 - 442." type="journal article" year="1931">Gates, 1931</bibRefCitation>
)
</taxonomicName>
from
<collectingCountry id="F32E7671FFB4FFE6FC38FB31FB8EFB3C" box="[955,1034,1233,1259]" name="Myanmar" pageId="10" pageNumber="111">Burma</collectingCountry>
,
<taxonomicName id="4C394D62FFB4FFE6FB95FB31FF5DFAD8" authority="(Kobayashi, 1938)" authorityName="Kobayashi" authorityYear="1938" baseAuthorityName="Kobayashi" baseAuthorityYear="1938" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="murayamai">
<emphasis id="B94DEAF3FFB4FFE6FB95FB31FA89FB3C" box="[1046,1293,1233,1259]" italics="true" pageId="10" pageNumber="111">Amynthas murayamai</emphasis>
(Kobayashi, 1938)
</taxonomicName>
from
<collectingCountry id="F32E7671FFB4FFE6FE9CFB15FEE7FAD8" box="[287,355,1269,1295]" name="South Korea" pageId="10" pageNumber="111">Korea</collectingCountry>
and
<taxonomicName id="4C394D62FFB4FFE6FE18FB15FC0DFAD8" authority="(Goto &amp; Hatai, 1899)" authorityName="Goto &amp; Hatai" authorityYear="1899" baseAuthorityName="Goto &amp; Hatai" baseAuthorityYear="1899" box="[411,905,1269,1295]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="shimaensis">
<emphasis id="B94DEAF3FFB4FFE6FE18FB15FD09FAD8" box="[411,653,1269,1295]" italics="true" pageId="10" pageNumber="111">Amynthas shimaensis</emphasis>
(
<bibRefCitation id="EFA84B10FFB4FFE6FD1FFB15FC04FAD8" author="Goto, S. &amp; Hatai, S." box="[668,896,1269,1295]" pageId="10" pageNumber="111" pagination="13 - 24" refId="ref13414" refString="Goto, S. &amp; Hatai, S. (1899) New or imperfectly known species of earthworms. No. 2. Annotationes Zoologicae Japonenses, 3, 13 - 24." type="journal article" year="1899">Goto &amp; Hatai, 1899</bibRefCitation>
)
</taxonomicName>
from
<collectingCountry id="F32E7671FFB4FFE6FC4CFB15FB8BFAD8" box="[975,1039,1269,1295]" name="Japan" pageId="10" pageNumber="111">Japan</collectingCountry>
are also octothecal and have large, paired postclitellar genital markings. Compared with
<taxonomicName id="4C394D62FFB4FFE6FD6FFAF9FC0FFAE4" authorityName="Shen &amp; Chang &amp; Chih" authorityYear="2019" box="[748,907,1305,1331]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="ruiyenensis">
<emphasis id="B94DEAF3FFB4FFE6FD6FFAF9FC0FFAE4" box="[748,907,1305,1331]" italics="true" pageId="10" pageNumber="111">A. ruiyenensis</emphasis>
</taxonomicName>
,
<taxonomicName id="4C394D62FFB4FFE6FC1BFAF9FBFDFAE4" baseAuthorityName="Gates" baseAuthorityYear="1931" box="[920,1145,1305,1331]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="longicauliculatus">
<emphasis id="B94DEAF3FFB4FFE6FC1BFAF9FBFDFAE4" box="[920,1145,1305,1331]" italics="true" pageId="10" pageNumber="111">A. longicauliculatus</emphasis>
</taxonomicName>
is apparently much larger with body length of
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and width of
<quantity id="4CC19B04FFB4FFE6FD21FADDFC8AFA80" box="[674,782,1341,1367]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="10.0" metricValueMin="7.0" pageId="10" pageNumber="111" unit="mm" value="8.5" valueMax="10.0" valueMin="7.0">710 mm</quantity>
, and has higher segment number (137140) and three pairs of genital markings on 18/19, 19/20 and 20/21 (
<bibRefCitation id="EFA84B10FFB4FFE6FD20FA81FCA2FAAC" author="Gates, G. E." box="[675,806,1377,1403]" pageId="10" pageNumber="111" pagination="327 - 442" refId="ref13228" refString="Gates, G. E. (1931) The earthworms of Burma. II. Records of the Indian Museum, 33, 327 - 442." type="journal article" year="1931">Gates 1931</bibRefCitation>
). The position and size of genital papillae of
<taxonomicName id="4C394D62FFB4FFE6FA90FA81FF31FA48" authorityName="Shen &amp; Chang &amp; Chih" authorityYear="2019" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="ruiyenensis">
<emphasis id="B94DEAF3FFB4FFE6FA90FA81FF31FA48" italics="true" pageId="10" pageNumber="111">A. ruiyenensis</emphasis>
</taxonomicName>
appear like those of
<taxonomicName id="4C394D62FFB4FFE6FE19FA65FDBDFA48" baseAuthorityName="Kobayashi" baseAuthorityYear="1938" box="[410,569,1413,1439]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="murayamai">
<emphasis id="B94DEAF3FFB4FFE6FE19FA65FDBDFA48" box="[410,569,1413,1439]" italics="true" pageId="10" pageNumber="111">A. murayamai</emphasis>
</taxonomicName>
, but the latter has higher segment number (137139), lower setal numbers (
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IX and
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XX) and wider spacing between paired spermathecal pores and male pores with about 0.45 and 0.3 ventral circumference, respectively (
<bibRefCitation id="EFA84B10FFB4FFE6FDB1FA2DFD7AFA3F" author="Kobayashi, S." box="[562,766,1485,1512]" pageId="10" pageNumber="111" pagination="89 - 170" refId="ref13903" refString="Kobayashi, S. (1938 b) Earthworms of Korea. I. Science Reports of the Tohoku Imperial University, 13, 89 - 170." type="journal article" year="1938">Kobayashi 1938b</bibRefCitation>
). In addition, the reproductive organs of
<taxonomicName id="4C394D62FFB4FFE6FB4FFA2DFAE8FA30" authorityName="Shen &amp; Chang &amp; Chih" authorityYear="2019" box="[1228,1388,1485,1511]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="ruiyenensis">
<emphasis id="B94DEAF3FFB4FFE6FB4FFA2DFAE8FA30" box="[1228,1388,1485,1511]" italics="true" pageId="10" pageNumber="111">A. ruiyenensis</emphasis>
</taxonomicName>
and
<taxonomicName id="4C394D62FFB4FFE6FF14FA11FEB3F9DC" baseAuthorityName="Kobayashi" baseAuthorityYear="1938" box="[151,311,1521,1547]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="murayamai">
<emphasis id="B94DEAF3FFB4FFE6FF14FA11FEB3F9DC" box="[151,311,1521,1547]" italics="true" pageId="10" pageNumber="111">A. murayamai</emphasis>
</taxonomicName>
vary greatly:
<taxonomicName id="4C394D62FFB4FFE6FE55FA11FDF1F9DC" baseAuthorityName="Kobayashi" baseAuthorityYear="1938" box="[470,629,1521,1547]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="murayamai">
<emphasis id="B94DEAF3FFB4FFE6FE55FA11FDF1F9DC" box="[470,629,1521,1547]" italics="true" pageId="10" pageNumber="111">A. murayamai</emphasis>
</taxonomicName>
has small, equal-sized seminal vesicles, relatively large pseudovesicles in XIII, small prostate glands consisting of two main lobes in XVIIXVIII, thin prostatic ducts looped in a C- or L-shape, no accessory glands corresponding to external genital markings, and spermathecae with large diverticula (
<bibRefCitation id="EFA84B10FFB4FFE6FF1CF9BDFEECF9AF" author="Kobayashi, S." box="[159,360,1629,1656]" pageId="10" pageNumber="111" pagination="89 - 170" refId="ref13903" refString="Kobayashi, S. (1938 b) Earthworms of Korea. I. Science Reports of the Tohoku Imperial University, 13, 89 - 170." type="journal article" year="1938">Kobayashi 1938b</bibRefCitation>
). As to
<taxonomicName id="4C394D62FFB4FFE6FE3AF9BDFDD6F9A0" baseAuthorityName="Goto &amp; Hatai" baseAuthorityYear="1899" box="[441,594,1629,1655]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="shimaensis">
<emphasis id="B94DEAF3FFB4FFE6FE3AF9BDFDD6F9A0" box="[441,594,1629,1655]" italics="true" pageId="10" pageNumber="111">A. shimaensis</emphasis>
</taxonomicName>
, it is a large earthworm with a body length of
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, a width of
<quantity id="4CC19B04FFB4FFE6FAABF9BDFAEDF9A0" box="[1320,1385,1629,1655]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="10" pageNumber="111" unit="mm" value="7.0">7 mm</quantity>
, and 163 segments (
<bibRefCitation id="EFA84B10FFB4FFE6FEBCF961FD9FF94C" author="Goto, S. &amp; Hatai, S." box="[319,539,1665,1691]" pageId="10" pageNumber="111" pagination="13 - 24" refId="ref13414" refString="Goto, S. &amp; Hatai, S. (1899) New or imperfectly known species of earthworms. No. 2. Annotationes Zoologicae Japonenses, 3, 13 - 24." type="journal article" year="1899">Goto &amp; Hatai 1899</bibRefCitation>
). Its genital papillae are also larger with a diameter of about
<quantity id="4CC19B04FFB4FFE6FB43F960FA92F94C" box="[1216,1302,1664,1691]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="10" pageNumber="111" unit="mm" value="2.5">2.5 mm</quantity>
and located in postsetal XIX rather than presetal XIX (
<bibRefCitation id="EFA84B10FFB4FFE6FDF7F945FCD5F968" author="Goto, S. &amp; Hatai, S." box="[628,849,1701,1727]" pageId="10" pageNumber="111" pagination="13 - 24" refId="ref13414" refString="Goto, S. &amp; Hatai, S. (1899) New or imperfectly known species of earthworms. No. 2. Annotationes Zoologicae Japonenses, 3, 13 - 24." type="journal article" year="1899">Goto &amp; Hatai 1899</bibRefCitation>
).
</paragraph>
<paragraph id="8B8636E1FFB4FFE6FF44F929FAA4F808" blockId="10.[151,1437,153,2015]" pageId="10" pageNumber="111">
Apart from all the aforementioned species,
<taxonomicName id="4C394D62FFB4FFE6FD2BF929FBCAF934" authority="Zhao &amp; Qiu, 2009" authorityName="Zhao &amp; Qiu" authorityYear="2009" box="[680,1102,1737,1763]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="omodeoi">
<emphasis id="B94DEAF3FFB4FFE6FD2BF929FCF8F934" box="[680,892,1737,1763]" italics="true" pageId="10" pageNumber="111">Amynthas omodeoi</emphasis>
<bibRefCitation id="EFA84B10FFB4FFE6FC00F929FBCAF934" author="Zhao, Q. &amp; Sun, J. &amp; Qiu, J. - P." box="[899,1102,1737,1763]" pageId="10" pageNumber="111" pagination="1027 - 1041" refId="ref16171" refString="Zhao, Q., Sun, J. &amp; Qiu, J. - P. (2009) Three new species of the Amynthas hawayanus - group (Oligochaeta: Megascolecidae) from Hainan Island, China. Journal of Natural History, 43 (17 - 18), 1027 - 1041. https: // doi. org / 10.1080 / 00222930902767433" type="journal article" year="2009">Zhao &amp; Qiu, 2009</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="4C394D62FFB4FFE6FB01F929FEA5F8D0" authority="Zhao &amp; Qiu, 2009" authorityName="Zhao &amp; Qiu" authorityYear="2009" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="edwardsi">
<emphasis id="B94DEAF3FFB4FFE6FB01F929FAD9F934" box="[1154,1373,1737,1763]" italics="true" pageId="10" pageNumber="111">Amynthas edwardsi</emphasis>
<bibRefCitation id="EFA84B10FFB4FFE6FAE0F929FEA5F8D0" author="Zhao, Q. &amp; Sun, J. &amp; Qiu, J. - P." pageId="10" pageNumber="111" pagination="1027 - 1041" refId="ref16171" refString="Zhao, Q., Sun, J. &amp; Qiu, J. - P. (2009) Three new species of the Amynthas hawayanus - group (Oligochaeta: Megascolecidae) from Hainan Island, China. Journal of Natural History, 43 (17 - 18), 1027 - 1041. https: // doi. org / 10.1080 / 00222930902767433" type="journal article" year="2009">Zhao &amp; Qiu, 2009</bibRefCitation>
</taxonomicName>
from
<collectingRegion id="49FDF803FFB4FFE6FEE0F90DFE30F8D0" box="[355,436,1773,1799]" country="China" name="Hainan" pageId="10" pageNumber="111">Hainan</collectingRegion>
Island,
<collectingCountry id="F32E7671FFB4FFE6FD89F90DFDC9F8D0" box="[522,589,1773,1799]" name="China" pageId="10" pageNumber="111">China</collectingCountry>
also have large, paired postclitellar genital papillae (
<bibRefCitation id="EFA84B10FFB4FFE6FB12F90DFACFF8D0" author="Zhao, Q. &amp; Sun, J. &amp; Qiu, J. - P." box="[1169,1355,1773,1799]" pageId="10" pageNumber="111" pagination="1027 - 1041" refId="ref16171" refString="Zhao, Q., Sun, J. &amp; Qiu, J. - P. (2009) Three new species of the Amynthas hawayanus - group (Oligochaeta: Megascolecidae) from Hainan Island, China. Journal of Natural History, 43 (17 - 18), 1027 - 1041. https: // doi. org / 10.1080 / 00222930902767433" type="journal article" year="2009">
Zhao
<emphasis id="B94DEAF3FFB4FFE6FB51F90EFA86F8D0" box="[1234,1282,1773,1799]" italics="true" pageId="10" pageNumber="111">et al</emphasis>
. 2009
</bibRefCitation>
). However, both species are sexthecal with three pairs of spermathecae in VIVIII and have coiled diverticula.
<taxonomicName id="4C394D62FFB4FFE6FA9DF8F1FA18F8FC" authorityName="Zhao &amp; Qiu" authorityYear="2009" box="[1310,1436,1809,1835]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="omodeoi">
<emphasis id="B94DEAF3FFB4FFE6FA9DF8F1FA18F8FC" box="[1310,1436,1809,1835]" italics="true" pageId="10" pageNumber="111">A. omodeoi</emphasis>
</taxonomicName>
has much lower setal numbers with
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V and
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XX, papillae paired in 18/19, large prostate glands in XVIIXXIII, U-shaped prostatic ducts, and long stalked accessory glands (
<bibRefCitation id="EFA84B10FFB4FFE6FC56F8B9FB14F8A4" author="Zhao, Q. &amp; Sun, J. &amp; Qiu, J. - P." box="[981,1168,1881,1907]" pageId="10" pageNumber="111" pagination="1027 - 1041" refId="ref16171" refString="Zhao, Q., Sun, J. &amp; Qiu, J. - P. (2009) Three new species of the Amynthas hawayanus - group (Oligochaeta: Megascolecidae) from Hainan Island, China. Journal of Natural History, 43 (17 - 18), 1027 - 1041. https: // doi. org / 10.1080 / 00222930902767433" type="journal article" year="2009">
Zhao
<emphasis id="B94DEAF3FFB4FFE6FB95F8BAFBC2F8A4" box="[1046,1094,1881,1907]" italics="true" pageId="10" pageNumber="111">et al</emphasis>
. 2009
</bibRefCitation>
). Like
<taxonomicName id="4C394D62FFB4FFE6FB59F8B9FAFCF8A4" authorityName="Shen &amp; Chang &amp; Chih" authorityYear="2019" box="[1242,1400,1881,1907]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="ruiyenensis">
<emphasis id="B94DEAF3FFB4FFE6FB59F8B9FAFCF8A4" box="[1242,1400,1881,1907]" italics="true" pageId="10" pageNumber="111">A. ruiyenensis</emphasis>
</taxonomicName>
,
<taxonomicName id="4C394D62FFB4FFE6FA07F8B9FF79F840" authorityName="Zhao &amp; Qiu" authorityYear="2009" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="edwardsi">
<emphasis id="B94DEAF3FFB4FFE6FA07F8B9FF79F840" italics="true" pageId="10" pageNumber="111">A. edwardsi</emphasis>
</taxonomicName>
also has paired papillae in presetal XIX, but it is also similar to
<taxonomicName id="4C394D62FFB4FFE6FC43F89DFBBAF840" authorityName="Zhao &amp; Qiu" authorityYear="2009" box="[960,1086,1917,1943]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="omodeoi">
<emphasis id="B94DEAF3FFB4FFE6FC43F89DFBBAF840" box="[960,1086,1917,1943]" italics="true" pageId="10" pageNumber="111">A. omodeoi</emphasis>
</taxonomicName>
regarding the much lower setal numbers with
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V and
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XX, large prostate glands in 1/2XVIXXIV and U-shaped prostatic ducts.
<taxonomicName id="4C394D62FFB4FFE6FF14F825FEB2F808" authorityName="Shen &amp; Chang &amp; Chih" authorityYear="2019" box="[151,310,1989,2015]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="ruiyenensis">
<emphasis id="B94DEAF3FFB4FFE6FF14F825FEB2F808" box="[151,310,1989,2015]" italics="true" pageId="10" pageNumber="111">A. ruiyenensis</emphasis>
</taxonomicName>
can be easily distinguished from
<taxonomicName id="4C394D62FFB4FFE6FD2DF825FCA9F808" authorityName="Zhao &amp; Qiu" authorityYear="2009" box="[686,813,1989,2015]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="omodeoi">
<emphasis id="B94DEAF3FFB4FFE6FD2DF825FCA9F808" box="[686,813,1989,2015]" italics="true" pageId="10" pageNumber="111">A. omodeoi</emphasis>
</taxonomicName>
and
<taxonomicName id="4C394D62FFB4FFE6FCE7F825FC6DF808" authorityName="Zhao &amp; Qiu" authorityYear="2009" box="[868,1001,1989,2015]" class="Clitellata" family="Megascolecidae" genus="Amynthas" kingdom="Animalia" order="Opisthopora" pageId="10" pageNumber="111" phylum="Annelida" rank="species" species="edwardsi">
<emphasis id="B94DEAF3FFB4FFE6FCE7F825FC6DF808" box="[868,1001,1989,2015]" italics="true" pageId="10" pageNumber="111">A. edwardsi</emphasis>
</taxonomicName>
by these disparate features.
</paragraph>
</subSubSection>
</treatment>
</document>